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PCF5271CVM100 Scheda tecnica(PDF) 44 Page - Freescale Semiconductor, Inc

Il numero della parte PCF5271CVM100
Spiegazioni elettronici  32-bit Embedded Controller Division
PDF  56 Pages
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Produttore elettronici  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PCF5271CVM100 Scheda tecnica(HTML) 44 Page - Freescale Semiconductor, Inc

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MCF5271 Integrated Microprocessor Hardware Specification, Rev. 1.2
Preliminary Electrical Characteristics
Freescale Semiconductor
44
Figure 11 shows an SDRAM write cycle.
Figure 11. SDRAM Write Cycle
8.7
General Purpose I/O Timing
Table 33. GPIO Timing1
NOTES:
1
GPIO pins include: INT, UART, and Timer pins.
NUM
Characteristic
Symbol
Min
Max
Unit
G1
G2
CLKOUT High to GPIO Output Valid
tCHPOV
—10
ns
CLKOUT High to GPIO Output Invalid
tCHPOI
1.5
—
ns
G3
G4
GPIO Input Valid to CLKOUT High
tPVCH
9—
ns
CLKOUT High to GPIO Input Invalid
tCHPI
1.5
—
ns
A[23:0]
SD_SRAS
SD_SCAS1
D[31:0]
ACTV
PALL
NOP
RAS[1:0]
WRITE
Row
Column
SD_CKE
SD_WE
CAS[3:0]
D1
D2
D4
D8
0
1
2
3
4
5
6
7
8
9
10
11
12
D7
NOP
1 DACR[CASL] = 2
D4
D3
D2
D2
D2
D4
D2



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